30+ Pfizer Interview Questions and Answers

Yes, I have experience in operating and calibrating HPLC machines.

• I have operated HPLC machines to analyze samples and determine their chemical composition.

• I have calibrated HPLC machines to ensure accurate and precise results.

• I am familiar with troubleshooting common issues that may arise during HPLC operation.

• I have experience with various types of HPLC columns and detectors.

• I am knowledgeable about HPLC software and data analysis.

• I have followed standard operating procedur...read more

A DBM must have strong leadership traits to effectively manage and motivate their team.

• Strong communication skills to effectively convey goals and expectations

• Ability to inspire and motivate team members to achieve targets

• Excellent problem-solving and decision-making skills

• Adaptability to handle changing market conditions and strategies

• Empathy and emotional intelligence to understand and support team members

• Strategic thinking to develop and implement effective business plans

• A...read more

International cooperation is crucial for effective poverty reduction strategy planning.

• Collaboration between countries can lead to sharing of resources and knowledge

• Joint efforts can lead to more effective and sustainable solutions

• International organizations such as the UN and World Bank play a key role in facilitating cooperation

• Examples of successful international cooperation include the Millennium Development Goals and the Sustainable Development Goals

Answers to questions related to energy types, Ohm's law, and engine strokes.

• Different types of energies include kinetic, potential, thermal, electrical, and chemical.

• Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

• 2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.

To achieve 100% performance from 80%, I would implement the following action plan.

• Analyze the reasons for the 20% performance gap

• Identify areas of improvement and set specific goals

• Develop a detailed action plan with timelines and responsibilities

• Provide necessary training and resources to the team

• Monitor progress regularly and make necessary adjustments

• Recognize and reward team members for achieving goals

The IR value for carbonyl compounds is typically around 1700-1750 cm^-1, while other functional groups have characteristic IR values.

• Carbonyl compounds typically show a strong absorption band around 1700-1750 cm^-1 in the IR spectrum.

• Alcohols usually have a broad peak around 3200-3600 cm^-1 due to O-H stretching.

• Amines exhibit N-H stretching vibrations around 3300-3500 cm^-1.

• Alkenes show C=C stretching vibrations around 1600-1680 cm^-1.

• Esters have a strong C=O stretching band...read more

The human reproductive system involves the organs and hormones that work together to produce offspring. Popular brands in this segment include birth control pills, condoms, and fertility treatments.

• The male reproductive system includes the testes, epididymis, vas deferens, prostate gland, and penis.

• The female reproductive system includes the ovaries, fallopian tubes, uterus, cervix, and vagina.

• Popular brands in this segment include birth control pills like Yaz and Ortho Tri-C...read more

NMR spectroscopy is suitable for organic reactions due to its ability to provide detailed structural information.

• NMR spectroscopy is commonly used to analyze organic compounds and reactions.

• It can provide information on the connectivity of atoms, functional groups, and stereochemistry.

• Examples of NMR techniques include 1H-NMR and 13C-NMR.

• NMR spectroscopy is non-destructive and can be used to monitor reactions in real-time.

21 CFR is a set of regulations by the US FDA for pharmaceutical and medical device industries. ALCOA is a data integrity acronym.

• 21 CFR stands for Code of Federal Regulations Title 21 and covers regulations for pharmaceutical and medical device industries in the US.

• ALCOA is an acronym for Attributable, Legible, Contemporaneous, Original, and Accurate, which are the principles of data integrity in the pharmaceutical industry.

• ALCOA+ is an extension of ALCOA and includes Complet...read more

Audit trial is a record of all activities performed on a system. It helps in tracking changes and identifying errors.

• Audit trial is important for maintaining data integrity and security.

• It helps in identifying who made changes to the system and when.

• Archiving audit trails involves storing them in a secure location for future reference.

• Audit trails should be regularly reviewed to ensure compliance with regulations and policies.

• Examples of audit trails include login/logout reco...read more

The role of a District Business Manager is to oversee the sales and marketing operations of a district and ensure the achievement of business objectives.

• Develop and implement sales strategies to achieve targets

• Manage and motivate sales teams to improve performance

• Analyze market trends and competitor activities to identify opportunities

• Ensure compliance with company policies and regulations

• Build and maintain relationships with key stakeholders

• Provide regular reports on sales p...read more

Tools used for assessing risks include SWOT analysis, risk matrix, risk register, and risk assessment checklists.

• SWOT analysis: identifies strengths, weaknesses, opportunities, and threats

• Risk matrix: assesses likelihood and impact of risks

• Risk register: documents identified risks and their characteristics

• Risk assessment checklists: provide a structured approach to identifying and assessing risks

• Other tools may include fault tree analysis, failure mode and effects analysis, a...read more

Hydraulic power is used to generate electricity by harnessing the energy of falling water.

• Water is stored in a reservoir and released through a dam to turn a turbine.

• The turbine is connected to a generator which converts the mechanical energy into electrical energy.

• The electricity is then transmitted through power lines to homes and businesses.

• Hydroelectric power is a renewable energy source that produces no greenhouse gas emissions.

• Examples of hydraulic power plants include ...read more

Meta data is data that describes other data. ALCOA is a set of guidelines for data integrity in pharmaceutical industry.

• Meta data provides information about a particular data set, such as its format, author, creation date, etc.

• ALCOA stands for Attributable, Legible, Contemporaneous, Original, and Accurate, and is a set of guidelines for ensuring data integrity in the pharmaceutical industry.

• ALCOA+ adds two additional principles, Complete and Consistent, to the original ALCOA ...read more

Organic reaction mechanisms involve step-by-step processes by which organic molecules undergo chemical transformations.

• Nucleophilic substitution: involves the attack of a nucleophile on an electrophilic carbon atom, leading to the substitution of one group with another.

• Electrophilic addition: occurs when an electrophile reacts with a nucleophile to form a new bond, typically seen in alkene reactions.

• Elimination: involves the removal of two substituents from a molecule to form...read more

The production process involves various activities and steps that are followed to manufacture a product.

• The process flow starts with the raw materials being received and inspected.

• The materials are then stored and transported to the production area.

• The production process involves various stages such as mixing, heating, cooling, and packaging.

• Quality checks are performed at each stage to ensure that the product meets the required standards.

• Once the product is ready, it is pack...read more

To file an ANDA with excipients not matching the RLD, a justification must be provided. Design space refers to the range of process parameters that ensure quality.

• ANDA with different excipients requires justification for safety and efficacy.

• Provide data on excipient functionality and impact on drug product performance.

• Design space is the range of process parameters within which quality attributes are met.

• Understanding design space helps in optimizing manufacturing processes a...read more

CSV will be performed on the basis of data fields and their values.

• CSV stands for Comma Separated Values.

• It is a file format used to store and exchange data.

• CSV files consist of rows and columns, with each row representing a record and each column representing a field.

• The basis of CSV depends on the data fields and their values, which are separated by commas.

• For example, a CSV file containing customer data may have fields such as name, address, phone number, and email, with e...read more

Handling problems during a batch requires quick thinking, effective communication, and problem-solving skills.

• Stay calm and assess the situation

• Communicate with team members to identify the root cause

• Implement a solution quickly to minimize impact on the batch

• Document the issue and solution for future reference

• Follow up to ensure the problem is resolved and prevent future occurrences

Investigation of customer complaint involves identifying the root cause of the issue and implementing corrective actions to prevent recurrence.

• Gather information about the complaint from the customer

• Investigate the issue thoroughly to identify the root cause

• Implement corrective actions to prevent recurrence

• Communicate the findings and actions taken to the customer

• Follow up with the customer to ensure satisfaction

Troubleshooting problems in solid oral production.

• Identify the root cause of the problem

• Review the manufacturing process and equipment

• Check the quality of raw materials

• Adjust the formulation or process parameters

• Perform in-process testing and analysis

• Collaborate with cross-functional teams

• Document findings and solutions

• Implement corrective actions

• Monitor and evaluate the effectiveness of solutions

I would plan the region wise budget by analyzing past sales data, setting clear goals, considering market trends, and collaborating with regional teams.

• Analyze past sales data to understand performance in each region

• Set clear and achievable sales goals for each region

• Consider market trends and competition in each region

• Collaborate with regional sales teams to gather insights and input

• Allocate budget based on potential growth opportunities in each region

I would approach the problem by breaking it down into smaller parts and analyzing each part individually.

• Identify the root cause of the problem

• Brainstorm possible solutions

• Evaluate each solution and choose the most effective one

• Implement the chosen solution

• Monitor the solution to ensure it is working as intended

21 CFR part 11 outlines requirements for electronic records and signatures in FDA-regulated industries.

• Electronic records must be secure, accurate, and accessible.

• Electronic signatures must be unique and verifiable.

• Audit trails must be maintained for all electronic records and signatures.

• Validation of electronic systems is required.

• Training on electronic recordkeeping and signature requirements is necessary for employees.

• Examples of industries regulated by 21 CFR part 11 incl...read more

Confusion matrix is a table used to describe the performance of a classification model. ROC curve is a graphical representation of the true positive rate against the false positive rate. AUC is the area under the ROC curve.

• Confusion matrix is a 2x2 table that shows the true positive, true negative, false positive, and false negative values of a classification model.

• ROC curve is a plot of the true positive rate (sensitivity) against the false positive rate (1-specificity) at v...read more

HPLC is used for separating compounds in liquid phase, while GC is used for separating compounds in gas phase.

• HPLC stands for High Performance Liquid Chromatography, while GC stands for Gas Chromatography.

• HPLC is used for analyzing compounds that are heat-sensitive or non-volatile, while GC is used for volatile compounds.

• HPLC typically uses a liquid mobile phase and a solid stationary phase, while GC uses a gas mobile phase and a liquid stationary phase.

• HPLC is more commonly ...read more

Chromatography is a technique used to separate and analyze mixtures of chemicals.

• Types include gas chromatography, liquid chromatography, ion exchange chromatography, and affinity chromatography.

• Gas chromatography separates volatile compounds based on their boiling points.

• Liquid chromatography separates compounds based on their interactions with a stationary phase and a mobile phase.

• Ion exchange chromatography separates charged molecules based on their charge.

• Affinity chromat...read more

I have led and been involved in over 10 data science projects in various industries.

• Led and managed over 10 data science projects from inception to completion

• Collaborated with cross-functional teams to deliver impactful solutions

• Utilized advanced analytics and machine learning techniques to drive business insights

• Examples: Predictive maintenance for manufacturing, customer segmentation for retail

Conflict resolution in day to day tasks

• Active listening and effective communication are key in resolving conflicts

• Identify the root cause of the conflict and address it directly

• Collaborate with all parties involved to find a mutually beneficial solution

• Maintain professionalism and remain calm during conflict resolution

• Document the conflict resolution process for future reference

The strength of evidence in clinical trials is determined by various factors.

• The strength of evidence in clinical trials depends on the study design and methodology.

• Randomized controlled trials (RCTs) are considered to provide the strongest evidence.

• Large sample sizes and long follow-up periods enhance the strength of evidence.

• Blinding and placebo control help minimize bias and increase the reliability of results.

• Meta-analyses and systematic reviews of multiple trials can pro...read more

I can sell a pen by highlighting its quality, versatility, and practicality.

• Emphasize the pen's smooth writing experience

• Highlight its durability and long-lasting ink

• Mention its versatility for various writing tasks

• Show how it enhances professionalism and productivity

• Offer a competitive price compared to similar pens

Clinical trials are research studies that test the safety and effectiveness of new medical treatments or interventions.

• Clinical trials are conducted to gather data on the safety and efficacy of new drugs, medical devices, or treatment methods.

• There are several types of clinical trials, including phase 1, phase 2, phase 3, and phase 4 trials.

• Phase 1 trials involve a small number of healthy volunteers and focus on determining the safety and dosage of a new treatment.

• Phase 2 tri...read more

Real world evidence refers to data collected outside of clinical trials to evaluate the safety and effectiveness of medical interventions.

• Real world evidence is collected from sources such as electronic health records, claims databases, and patient registries.

• It provides insights into how treatments work in real-world settings and can help inform clinical decision-making.

• Examples of real world evidence include studies that analyze the effectiveness of a drug in a large popula...read more